How could an application know the desktop scale factor? ????

Sat May 7 14:43:29 UTC 2016

Ilya Anfimov:
 > if RANDR extension is supported, than try to get information  with
 > XRRGetScreenInfo.

Thomas Lübking:
 > Qt (and maybe gtk) also operate on overriding settings
 > (environment variables) to scale the particular client beyond the
 > physical resolution

Thanks for your answers.

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